alloy update to 4.3.2-bb.2

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/alloy/-/blob/4.3.2-bb.2/CHANGELOG.md

Package MR

big-bang/product/packages/alloy!190 (merged)

For Issue

Closes #3464 (closed)

Upgrade Notices

For a standalone Alloy deployment writing through Cortex Tenant, enable networkPolicies.egress.from.alloy-metrics.to.k8s.cortex-tenant/cortex-tenant:8080. The Big Bang umbrella enables this connection when its Cortex Tenant destination is selected.